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2 years ago

10

True or false: When testing the difference between two population means it is unlikely that one would know the value of the popu

lation variances.

1 answer:

erma4kov [3.2K]2 years ago

3 0

The answer is True
………

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Simplify ten to the eighth divided by ten to the negative third.

In-s [12.5K]

Answer:

$10^{11}$

Step-by-step explanation:

A statement is given i.e. "ten to the eighth divided by ten to the negative third."

It means that 10 to power 8 divided by 10 to the power -3.

Mathematically,

$\dfrac{10^8}{10^{-3}}$

We know that, $\dfrac{x^a}{x^b}=x^{a-b}$

Here, x = 10, a = 8 and b = -3

So,

$\dfrac{10^8}{10^{-3}}=10^{8-(-3)}\\\\=10^{8+3}\\\\=10^{11}$

So, the answer is $10^{11}$

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3 years ago

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AlexFokin [52]

Answer:

B

Step-by-step explanation:

too easy

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3 years ago

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Solve the inequality 2.7 ≥ a + 3

Rainbow [258]

2.7 ≥ a + 3

a + 3 <= 2.7

a <= - 0.3

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3 years ago

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Help please??????????

Fofino [41]

Answer:

35000

Step-by-step explanation:

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Which function is the inverse of f(x) = -5x-42

Aleksandr [31]

Answer:

f'(x)=-(x+42)/5

Step-by-step explanation:

Rewrite f(x) as y:

y=-5x-42

Flip x and y and solve for y:

x=-5y-42

x+42=-5y

(x+42)/-5=y

So the inverse function is f'(x)=-(x+42)/5 (note that f' means inverse)

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3 years ago